Cleaning and sorting device for threshing-machines.



G. BRLINGBR, JE. CLEANING AND SORTING DEVICE POB. 'IHRI..SHINGrvMACHINES. APPLICATION FILED JAN. I3 I'QCQ.

937,783. Patented oet-26,1909

ANDREW. a, annum 20,. Pmmuwomuvnzns. WASI-Immun. at

GUSTAV ERLINGER, JR., OF PLANK, KAMPTAL, AUSTRIA-HUNGARY.

CLEANING AND FSORCLINGr DEVICE FOR THRESHING-MACHINES.

Specification of Letters Patent.

Patented oct. 26, 1909.

Application led January 13, 1909. Serial No. 471,995.

To all whom fit may concern:v

Be it known that I, GUSTAV ERLINGER, J r., a subject of theAustro-Hungarian Empire, residing at Plank, Kamptal, Austria-IIungary,have invented a certain new and Improved Cleaning and Sorting Device forThreshing-Machines, of which the following is a specication.

The present invention has relation to a new or improved cleaning andsorting device for use with threshing machines, the object of thepresent improvements being to dispense with t-he use of fans, elevators,and sorting cylinders, thereby rendering the machine less complicatedand more effective than hitherto.

In order that this invention may be clearly understood and more easilycarried into practice, reference may be had to the appended explanatorysheet of drawings, on which Figure l is a longitudinal section of thedevice. Fig. 2 is a transverse section, the plane of sectioncorresponding to the line B-B of F ig. l.

In an embodiment of the present device as arranged to clean the grainand sort the same into two grades or sizes, the grain is passed down aninclined chute a to a sieve c, such sieve being suspended by means ofthe pivoted links andreciprocated by any suitable means.

One portion c of the reciprocating sieve is provided with meshescorresponding to the larger grain, while the other portion Z consists ofsmaller meshes corresponding to the finer grain. The grain passingthrough the meshes c and CZ of the sieve, are collected and retained inthe funnels e and f respectively, from which they are removed atintervals, or the funnels may have sacks attached thereto for thereception of the grain.

The sieve sections are made interchangeable in order that various sizesof grain may be sorted. The frame Z2 of the reciprocating sieve isarranged to fit closely or fairly so upon the bottom of the chambers 71,and z' the upper opening of which adjoins the suction chamber whichcommunicates with a suction fan Z or its equivalent.

At the openings of the chambers h and c' are provided adjustableflap-valves a and a, the object of which is to regulate the velocity orsuctionof the air passing through the chambers 7L and z'.

Above the sieve meshes Z and supported on the sides of the vibratingframe b are conducting channels o which communicate with an opening p atthe extremity of the device, while the channels 0 also decrease thepassage for the air current and thereby increase the velocity for thepurpose herein after explained.

In the upper outlet passage to the suction device is arranged an airvalve r controlled by a weight adjustably secured upon a pivoted lever,such valve being opened by an increase in the velocity of the inducedair current, in order to regulate the current in the chambers to aconstant velocity.

The device as hereinafter -described operates as follows The current ofair induced by the fan Z being compelled to pass through thereciprocating sieve c by the grain which forms a oint, carries the finerwaste into the chamber L and outlet pipe la and the small Train passesthrough the meshes c into the funnel c, the larger grain and waste beingcarried by the vibration of the sieve to the coarser meshes CZ where, byreason of the restricted area of the passage, and the consequent highervelocity of the air current the coarse waste is carried into the chamberc', in which the air expands and allows the waste to fall into thechannels 0 while the grain falls through the meshes CZ of thereciprocating sieve and into the funnel. The reciprocation of thechannels causes the large waste to be brought to the outlet p where itis discharged. If the suction should suddenlyl increase by reason of avariation in the speed of the fan, the air inlet valve 1' opens andthereby regulates the air current, preventing any grain being carriedinto the waste.

Having now described my invention, I declare that what I claim is In acleaning and sorting device for use with threshing machines, thecombination of sieve sections, means for reciprocating said sievesections, means for producing a suction for cleaning the grain, achamber which fits closely around said sieve so as to compel the airCurrent to pass therethrough7` means for feedlng and recelvlng thegram,Y

a member which s secured above one of the screen Sections and which hasan aperture through which the coarse Waste is drawn, said member havingalso side portions onto which' thek Waste falls as the result of thedecreased velocity of the air current brought about by increased areaVof the Chamber.` 10

Vlax-'witness whereof I have hereunto set my hand in the presence of tWoWitnesses.

GUSTAV ERLINGER, J UN. Witnesses KARL TRAUNER, AUGUST F'Uzznn.

